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  2. Fireplace insert - Wikipedia

    en.wikipedia.org/wiki/Fireplace_insert

    The fireplace insert was invented in 1742 by Benjamin Franklin, which he called 'The Pennsylvania Fireplace' (also known as the Franklin Stove), in the United States.He came upon the idea as a means of using coke (a smokeless fuel made by the destructive distillation of certain types of coal) and incorporated the use of an electric blower to improve efficiency.

  3. The 5 Best Cheap Snowblowers for $700 or Less - AOL

    www.aol.com/5-best-cheap-snowblowers-550...

    Best Cheap Gas Snowblower: Troy-Bilt Squall 123R Best Value Electric Snowblower: Greenworks 40 -Volt 20-Inch Cordless Best Cheap Two-Stage Snowblower: PowerSmart DB7109A Two-Stage Gas

  4. States and towns consider banning gas-powered leaf blowers ...

    www.aol.com/news/states-towns-consider-banning...

    Gas blowers run from 80 to 90 decibels, versus 59 to 70 decibels for electric blowers, according to the website LeafScore. The environmental benefits of going electric are substantial.

  5. Centrifugal fan - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_fan

    Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

  6. Soot blower - Wikipedia

    en.wikipedia.org/wiki/Soot_blower

    A sootblower is a device for removing the soot that is deposited on the internal furnace tubes of a boiler during combustion to prevent plugging of the gas passes and maintain boiler efficiency. The world market leader is Clyde Bergemann Power Group. [citation needed] Types of soot blowers: Wall Blowers also known as IRs (Insertable Rotating)

  7. Florida cities want to ban noisy gas leaf blowers, go ... - AOL

    www.aol.com/news/florida-cities-want-ban-noisy...

    A last-minute Senate amendment would pre-empt bans on gas-powered leaf blowers. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...

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